Automatic butt joint device for steel ladle sliding plate oil cylinder

Abstract

The utility model discloses an automatic butt joint device for a steel ladle sliding plate oil cylinder. The device is characterized in that a weight sensor is arranged on a rotary arm; the slide plate mechanism slides on the slide way so as to control the flow speed of the water gap; a clamping channel is arranged in the sliding plate mechanism; the oil cylinder is embedded in the inner side of the rotary arm, and the oil cylinder and the clamping channel are located at the same horizontal height; a linear motor is arranged in the rotary arm and is used for adjusting the horizontal position of the oil cylinder; a laser sensor is arranged on the oil cylinder; a centering reflecting plate is arranged on the sliding plate mechanism; a clamping groove is formed in the clamping channel; the electric buckling mechanism is arranged in the cylinder rod, and the electric buckling mechanism is matched with the clamping groove to realize clamping and separation of the oil cylinder and the rotary arm; a travel switch is arranged in the clamping channel; the PLC is connected with the weight sensor, the travel switch, the laser sensor, a motor controller of the electric buckle mechanism, the control end of the linear motor and the hydraulic system. Automatic butt joint of the steel ladle and the sliding plate oil cylinder can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of continuous casting process, specifically to an automatic docking device for ladle slide cylinder in continuous casting process. Background Technology

[0002] In the continuous casting process at the steel plant, after the molten steel has been smelted to the required standard, it is transported to the continuous casting ladle turret, where hydraulic cylinders are installed, and then the casting is carried out.

[0003] The first step in production is introducing molten steel from the ladle into the intermediate tank. The ladle slide mechanism is used to control the speed at which the molten steel flows out of the ladle, and it is usually driven and controlled by a hydraulic cylinder.

[0004] In traditional technology, the installation of hydraulic cylinders is usually done manually. Workers need to manually install the cylinders onto the steel sleeves of the sliding gate, which is inefficient. The overall weight of the cylinder can be over 40kg. The manual disassembly and assembly of the ladle slide plate cylinder is labor-intensive, and the continuous casting site environment is extremely harsh, with frequent worker burns and injuries. In addition, the success rate of docking is low. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and propose an automatic docking device for ladle slide cylinders, which can realize the automatic docking of ladle and slide cylinder, shorten docking time, improve installation efficiency and docking success rate, and reduce labor intensity.

[0006] To achieve the above objectives, the present invention proposes the following technical solution:

[0007] An automatic docking device for a ladle slide plate hydraulic cylinder includes a rotary table, a slide plate mechanism, a hydraulic cylinder, an electric locking mechanism, and a PLC controller. The rotary table is equipped with a rotary arm that clamps and lifts both sides of the ladle, and a weight sensor is installed on the rotary arm. A slide rail is provided at the ladle nozzle, and the slide plate mechanism slides on the slide rail to control the nozzle flow rate. The slide plate mechanism has a locking channel that is parallel to the sliding direction of the slide plate mechanism.

[0008] The hydraulic cylinder is embedded inside the rotary arm. The cylinder rod extends or retracts on the rotary arm. The hydraulic cylinder and the locking channel are at the same horizontal level and are parallel to each other, with the cylinder rod facing the locking channel. A linear motor is installed inside the rotary arm to adjust the horizontal position of the hydraulic cylinder. A laser sensor is installed on the hydraulic cylinder, and a centering reflector corresponding to the laser sensor is installed on the sliding plate mechanism to determine the horizontal position of the hydraulic cylinder. When the laser sensor and the centering reflector are aligned, the cylinder rod can be aligned with the locking channel and can extend into the locking channel. A locking groove is provided in the locking channel. An electric locking mechanism is located inside the cylinder rod. The electric locking mechanism cooperates with the locking groove to realize the locking and disengaging of the hydraulic cylinder from the rotary arm. The electric locking mechanism includes a motor controller and a motor. The motor controller is used to control the motor, and the motor is used to output power to drive the electric locking mechanism.

[0009] The locking channel is equipped with a limit switch to determine the position of the cylinder rod within the locking channel. When the cylinder rod extends into the locking channel and touches the limit switch, the electric locking mechanism is perfectly aligned with the locking slot. The PLC controller is connected to the weight sensor, limit switch, laser sensor, motor controller of the electric locking mechanism, control terminal of the linear motor, and hydraulic system controlling the cylinder.

[0010] The input terminals of the PLC controller are connected to the weight sensor, limit switch, and laser sensor, while the output terminals of the PLC controller are connected to the motor controller of the electric latching mechanism, the control terminal of the linear motor, and the hydraulic system of the control cylinder.

[0011] The aforementioned PLC controller is connected to the weight sensor, limit switch, laser sensor, motor controller of electric latching mechanism, control terminal of linear motor, and hydraulic system of control cylinder, which is existing technology. The limit switch is connected to the PLC controller through built-in or external relays, which is known to those skilled in the art.

[0012] When the slewing arm clamps and lifts the ladle, the weight sensor detects the weight signal and transmits it to the PLC controller. After the weight stabilizes for a certain period of time, the PLC controller sends a command to the control terminal of the linear motor to adjust the horizontal position of the hydraulic cylinder until the laser sensor aligns with the centering reflector. The laser sensor receives the reflected signal, indicating that the hydraulic cylinder is aligned with the locking channel, and sends a positioning signal to the PLC controller. Subsequently, the PLC controller sends a command to the hydraulic system to extend the hydraulic cylinder. The cylinder rod extends until it reaches the locking channel and touches the limit switch. The limit switch sends a signal to the PLC controller, which then sends a command to the motor controller to engage the motor locking mechanism with the slot, thus completing the docking of the hydraulic cylinder and the sliding plate mechanism. The hydraulic cylinder controls the sliding plate mechanism to slide on the slide rail to control the flow rate of the sprue.

[0013] Once the ladle casting is complete, a stop-casting signal is sent to the PLC controller. The PLC controller then sends a command to the motor controller, causing the motor locking mechanism to disengage from the slot. The PLC controller then sends a cylinder retraction command to the hydraulic system, causing the cylinder to retract into the slewing arm, and the empty ladle is then lifted away.

[0014] Preferably, a limiting block is provided in the locking channel. When the cylinder rod of the hydraulic cylinder touches the limit switch, it also contacts the limiting block, further limiting the position of the electric locking mechanism in the locking channel and ensuring that the electric locking mechanism can be aligned with the slot.

[0015] Preferably, the cylinder rod of the hydraulic cylinder is provided with an annular groove and two vertical grooves, the two vertical grooves being symmetrically arranged above and below the annular groove, and the vertical grooves corresponding to the locking slots; the electric locking mechanism also includes a coupling, a rotating shaft, a sliding plate, and a linkage rod, the motor shaft of the motor being connected to the rotating shaft through the coupling, the rotating shaft rotating within the cylinder rod of the hydraulic cylinder, and the rotating shaft being coaxial with the annular groove; two sliding plates are provided, each placed in one of the two vertical grooves, the sliding plates sliding along the vertical grooves, the sliding directions of the two sliding plates being opposite; two linkage rods are provided, each corresponding to one of the sliding plates; one end of the linkage rod is hinged to the sliding plate, and the other end of the linkage rod is rotatably connected to the annular groove, the sliding plate and the linkage rod forming a slider-linkage mechanism; the linkage rod is also connected to the rotating shaft, so that the rotation of the rotating shaft can drive the other end of the linkage rod to rotate around the annular groove, allowing rotation in both directions, thereby driving the sliding plate to slide on the vertical groove.

[0016] When the cylinder rod extends into the locking channel and the vertical slide groove aligns with the locking slot, the sliding plate extends out of the vertical slide groove and can lock into the locking slot, thus engaging with the sliding plate mechanism; when the sliding plate retracts from the locking slot into the vertical slide groove, it disengages from the sliding plate mechanism.

[0017] Preferably, the line connecting the central axes of the two vertical grooves intersects the central axis of the annular groove.

[0018] Preferably, the linkage rod is provided with a first hinge post, a second hinge post, and a connecting post. The first hinge post is hinged to the sliding plate, and the second hinge post is rotatably connected to the annular groove, allowing the second hinge post to rotate along the annular groove. The connecting post is connected to a rotating shaft, so that the rotation of the rotating shaft can drive the other end of the linkage rod to rotate around the annular groove.

[0019] Preferably, the connecting post and the second hinge post are coaxially arranged.

[0020] Preferably, the cylinder rod is provided with a rotating support rod, which is coaxial with the annular groove. The rotating support rod is rotatably connected to the rotating shaft, which further enhances the stability of the electric buckling mechanism.

[0021] The beneficial effects of this utility model are as follows:

[0022] This invention features a hydraulic cylinder installed inside a rotary arm. A linear motor adjusts the horizontal position of the hydraulic cylinder, a laser sensor determines the horizontal position of the hydraulic cylinder, and a limit switch determines the position of the cylinder rod within the engagement channel. A PLC controller is connected to a weight sensor, limit switch, laser sensor, motor controller, the control terminal of the linear motor, and the hydraulic system to achieve automatic docking of the ladle and the sliding plate hydraulic cylinder. This shortens docking time, improves installation efficiency and docking success rate, and reduces labor intensity.

[0023] This invention features an electric latching mechanism installed inside the cylinder rod of a hydraulic cylinder. A PLC controller is connected to the motor controller of the electric latching mechanism. When the cylinder rod of the hydraulic cylinder enters the designated position of the latching channel, the PLC controller sends a command to the motor controller of the electric latching mechanism to drive the electric latching mechanism to latch with the latching channel, thus realizing the automatic remote docking of the ladle and the sliding plate hydraulic cylinder.

[0024] By adopting the above solution, this utility model can realize the automatic docking of the ladle and the sliding plate cylinder, shorten the docking time, improve the installation efficiency and docking success rate, and reduce labor intensity. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of the first embodiment.

[0027] Figure 2 This is a schematic diagram of the electric latching mechanism in the retracted state in the second embodiment.

[0028] Figure 3 yes Figure 2 Sectional view at point AA.

[0029] Figure 4 yes Figure 2 Sectional view at point BB.

[0030] Figure 5 This is a schematic diagram of the electric buckle mechanism in the extended state in the second embodiment.

[0031] Figure 6 yes Figure 5 Sectional view at point CC.

[0032] Figure 7 yes Figure 5 Sectional view at point DD.

[0033] Figure 8 This is a schematic diagram showing the horizontal position adjustment of the hydraulic cylinder within the rotary arm.

[0034] Figure 9 This is a schematic diagram showing the connection between the PLC controller and its various components.

[0035] In the diagram, 1-rotating arm, 2-cylinder body, 3-cylinder rod, 4-electric latching mechanism, 5-slide plate mechanism, 6-laser sensor, 11-linear motor, 51-slot, 52-clamping channel, 53-limit stop, 54-limit switch, 55-centering reflector, 31-vertical slide, 32-circular slide, 33-rotating support rod, 41-motor, 42-motor shaft, 43-coupling, 44-rotating shaft, 45-sliding plate, 46-linkage rod, 441-connecting groove, 461-first hinge post, 462-second hinge post, 463-connecting post. Implementation

[0036] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0037] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0038] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0040] First embodiment:

[0041] like Figure 1 As shown, an automatic docking device for ladle slide cylinder includes a rotary table, a slide mechanism 5, a hydraulic cylinder, an electric locking mechanism 4, and a PLC controller. The rotary table is equipped with a rotary arm 1, which clamps and lifts both sides of the ladle. A weight sensor is installed on the rotary arm 1. A slide rail is provided at the ladle nozzle, and the slide mechanism 5 slides on the slide rail to control the nozzle flow rate. The slide mechanism 5 is provided with a locking channel 52, which is parallel to the sliding direction of the slide mechanism 5.

[0042] like Figure 8 As shown, the hydraulic cylinder is embedded inside the rotary arm 1. The cylinder rod 3 extends or retracts on the rotary arm 1. The hydraulic cylinder and the locking channel 52 are at the same horizontal height and are arranged parallel to each other. The cylinder rod 3 faces the locking channel 52. A linear motor 11 is installed inside the rotary arm 1 to adjust the horizontal position of the hydraulic cylinder. A laser sensor 6 is installed on the hydraulic cylinder, and a centering reflector 55 corresponding to the laser sensor 6 is installed on the sliding plate mechanism 5 to determine the horizontal position of the hydraulic cylinder. When the laser sensor 6 is activated, the horizontal position of the hydraulic cylinder is adjusted. When the sensor 6 is aligned with the centering reflector 55, the cylinder rod 3 of the hydraulic cylinder can be aligned with the locking channel 52 and can extend into the locking channel 52; the locking channel 52 is provided with a locking groove 51; the electric locking mechanism 4 is located in the cylinder rod 3 of the hydraulic cylinder, and the electric locking mechanism 4 cooperates with the locking groove 51 to realize the locking and disengagement of the hydraulic cylinder and the rotary arm 1. The electric locking mechanism 4 includes a motor controller and a motor 41. The motor controller is used to control the motor 41, and the motor 41 is used to output power to drive the electric locking mechanism 4.

[0043] like Figure 1 As shown, a limit switch 54 is provided in the locking channel 52 to determine the position of the cylinder rod 3 within the locking channel 52. When the cylinder rod 3 extends into the locking channel 52 and touches the limit switch 54, the electric locking mechanism 4 and the locking slot 51 are perfectly aligned. The PLC controller is connected to the weight sensor, the limit switch 54, the laser sensor 6, the motor controller of the electric locking mechanism 4, the control terminal of the linear motor 11, and the hydraulic system controlling the cylinder. Figure 9 As shown.

[0044] The input terminal of the PLC controller is connected to the weight sensor, limit switch 54, and laser sensor 6, and the output terminal of the PLC controller is connected to the motor controller of the electric buckling mechanism 4, the control terminal of the linear motor 11, and the hydraulic system of the control cylinder.

[0045] The locking channel 52 is provided with a limiting block 53. When the cylinder rod 3 of the hydraulic cylinder touches the limit switch 54, it also contacts the limiting block 53, further limiting the position of the electric locking mechanism 4 in the locking channel 52, ensuring that the electric locking mechanism 4 can be aligned with the slot 51.

[0046] When the slewing arm 1 clamps and lifts the ladle, the weight sensor senses the weight signal and transmits it to the PLC controller. After the weight stabilizes for a certain period of time, the PLC controller sends a command to the control terminal of the linear motor 11 to adjust the horizontal position of the hydraulic cylinder until the laser sensor 6 is aligned with the centering reflector 55. The laser sensor 6 receives the reflected signal, that is, the hydraulic cylinder is aligned with the locking channel 52, and sends a positioning signal to the PLC controller. Subsequently, the PLC controller sends a command to the hydraulic system to extend the hydraulic cylinder. The cylinder rod 3 extends until it reaches the locking channel 52 and touches the limit switch 54. The limit switch 54 sends a signal to the PLC controller, and the PLC controller then sends a command to the motor controller to make the motor latching mechanism 4 engage with the slot 51, that is, to complete the docking of the hydraulic cylinder and the sliding plate mechanism 5. The hydraulic cylinder controls the sliding plate mechanism 5 to slide on the slide to control the flow rate of the sprue.

[0047] After the ladle casting is completed, a stop casting signal is sent to the PLC controller. The PLC controller then sends a command to the motor controller, causing the motor latching mechanism 4 to disengage from the slot 51. Then, the PLC controller sends a cylinder retraction command to the hydraulic system, causing the cylinder to retract into the rotary arm 1, and then the empty ladle is lifted away.

[0048] Second embodiment:

[0049] like Figure 1 As shown, an automatic docking device for ladle slide cylinder includes a rotary table, a slide mechanism 5, a hydraulic cylinder, an electric locking mechanism 4, and a PLC controller. The rotary table is equipped with a rotary arm 1, which clamps and lifts both sides of the ladle. A weight sensor is installed on the rotary arm 1. A slide rail is provided at the ladle nozzle, and the slide mechanism 5 slides on the slide rail to control the nozzle flow rate. The slide mechanism 5 is provided with a locking channel 52, which is parallel to the sliding direction of the slide mechanism 5.

[0050] like Figure 8As shown, the hydraulic cylinder is embedded inside the rotary arm 1. The cylinder rod 3 extends or retracts on the rotary arm 1. The hydraulic cylinder and the locking channel 52 are at the same horizontal height and are arranged parallel to each other. The cylinder rod 3 faces the locking channel 52. A linear motor 11 is installed inside the rotary arm 1 to adjust the horizontal position of the hydraulic cylinder. A laser sensor 6 is installed on the hydraulic cylinder, and a centering reflector 55 corresponding to the laser sensor 6 is installed on the sliding plate mechanism 5 to determine the horizontal position of the hydraulic cylinder. When the laser sensor 6 is activated, the horizontal position of the hydraulic cylinder is adjusted. When the sensor 6 is aligned with the centering reflector 55, the cylinder rod 3 of the hydraulic cylinder can be aligned with the locking channel 52 and can extend into the locking channel 52; the locking channel 52 is provided with a locking groove 51; the electric locking mechanism 4 is located in the cylinder rod 3 of the hydraulic cylinder, and the electric locking mechanism 4 cooperates with the locking groove 51 to realize the locking and disengagement of the hydraulic cylinder and the rotary arm 1. The electric locking mechanism 4 includes a motor controller and a motor 41. The motor controller is used to control the motor 41, and the motor 41 is used to output power to drive the electric locking mechanism 4.

[0051] like Figure 1 As shown, a limit switch 54 is provided in the locking channel 52 to determine the position of the cylinder rod 3 within the locking channel 52. When the cylinder rod 3 extends into the locking channel 52 and touches the limit switch 54, the electric locking mechanism 4 and the locking slot 51 are perfectly aligned. The PLC controller is connected to the weight sensor, the limit switch 54, the laser sensor 6, the motor controller of the electric locking mechanism 4, the control terminal of the linear motor 11, and the hydraulic system controlling the cylinder. Figure 9 As shown.

[0052] The input terminal of the PLC controller is connected to the weight sensor, limit switch 54, and laser sensor 6, and the output terminal of the PLC controller is connected to the motor controller of the electric buckling mechanism 4, the control terminal of the linear motor 11, and the hydraulic system of the control cylinder.

[0053] The locking channel 52 is provided with a limiting block 53. When the cylinder rod 3 of the hydraulic cylinder touches the limit switch 54, it also contacts the limiting block 53, further limiting the position of the electric locking mechanism 4 in the locking channel 52, ensuring that the electric locking mechanism 4 can be aligned with the slot 51.

[0054] like Figures 2-7As shown, the cylinder rod 3 of the hydraulic cylinder is provided with an annular sliding groove 32 and two vertical sliding grooves 31. The two vertical sliding grooves 31 are symmetrically arranged vertically relative to the annular sliding groove 32, and the vertical sliding grooves 31 correspond to the locking grooves 51. The electric locking mechanism 4 also includes a coupling 43, a rotating shaft 44, a sliding locking plate 45, and a linkage rod 46. The motor shaft 42 of the motor 41 is connected to the rotating shaft 44 through the coupling 43. The rotating shaft 44 rotates within the cylinder rod 3 of the hydraulic cylinder and is coaxially arranged with the annular sliding groove 32. Two sliding locking plates 45 are provided and are respectively placed in the two vertical sliding grooves 31. The sliding plate 45 slides along the vertical slide groove 31, and the two sliding plates 45 slide in opposite directions. There are two linkage rods 46, which correspond to the sliding plates 45 respectively. One end of the linkage rod 46 is hinged to the sliding plate 45, and the other end of the linkage rod 46 is rotatably connected to the annular slide groove 32. The sliding plate 45 and the linkage rod 46 form a slider linkage mechanism. The linkage rod 46 is also connected to the rotating shaft 44. The rotation of the rotating shaft 44 can drive the other end of the linkage rod 46 to rotate around the annular slide groove 32. It can rotate in both directions, which can drive the sliding plate 45 to slide on the vertical slide groove 31.

[0055] When the cylinder rod 3 extends into the engaging channel 52, and the vertical slide groove 31 aligns with the slot 51, the sliding plate 45 extends outward from the vertical slide groove 31 and engages with the slot 51, thus achieving engagement with the sliding plate mechanism 5. Figures 5-7 As shown; when the sliding plate 45 retracts from the slot 51 into the vertical slide groove 31, it disengages from the slide mechanism 5, as... Figures 2-4 As shown.

[0056] The line connecting the central axes of the two vertical grooves 31 intersects the central axis of the annular groove 32.

[0057] like Figure 6 As shown, the linkage rod 46 is provided with a first hinge post 461, a second hinge post 462, and a connecting post 463. The first hinge post 461 is hinged to the sliding plate, and the second hinge post 462 is rotatably connected to the annular groove 32, and the second hinge post 462 can rotate along the annular groove 32. The connecting post 463 is connected to the rotating shaft 44, so that the rotation of the rotating shaft 44 can drive the other end of the linkage rod 46 to rotate around the annular groove 32.

[0058] The connecting post 463 and the second hinge post 462 are coaxially arranged.

[0059] The cylinder rod 3 of the hydraulic cylinder is provided with a rotating support rod 33, which is coaxial with the annular sliding groove 32. The rotating support rod 33 is rotatably connected to the rotating shaft 44, which further enhances the stability of the electric buckling mechanism 4.

[0060] When the slewing arm 1 clamps and lifts the ladle, the weight sensor detects the weight signal and transmits it to the PLC controller. After the weight stabilizes for a certain period, the PLC controller sends a command to the control terminal of the linear motor 11 to adjust the horizontal position of the hydraulic cylinder until the laser sensor 6 is aligned with the centering reflector 55. The laser sensor 6 receives the reflected signal, indicating that the hydraulic cylinder is aligned with the locking channel 52, and sends a positioning signal to the PLC controller. Subsequently, the PLC controller sends a command to the hydraulic system to extend the hydraulic cylinder. The cylinder rod 3 extends until it reaches the locking channel 52 and touches the limit switch 54 and the limit stop 53. The limit switch 54 sends a signal to the PLC controller, which then sends a command to the motor controller, causing the motor 41 to rotate and drive the rotating shaft 44 to rotate. This drives the linkage rod 46 to rotate around the annular slide groove 32, thereby causing the sliding plate 45 to slide outward on the vertical slide groove 31 and lock into the slot 51. Figures 5-7 As shown, the engagement with the slide mechanism 5 is achieved, that is, the connection between the hydraulic cylinder and the slide mechanism 5 is completed. Subsequently, the slide mechanism 5 can be controlled to slide on the slide track by the hydraulic cylinder to control the flow rate of the sprue.

[0061] After the steel ladle casting is completed, a stop-casting signal is sent to the PLC controller. The PLC controller then sends a command to the motor controller, causing the motor 41 to rotate, driving the rotating shaft 44 to rotate in the opposite direction. This causes the linkage rod 46 to rotate around the annular slide groove 32, which in turn causes the sliding plate 45 to slide and retract into the slot 51 on the vertical slide groove 31. Figures 2-4 As shown, the motor latching mechanism 4 is disengaged from the slot 51, and then the PLC controller sends a cylinder retraction command to the hydraulic system, causing the cylinder to retract into the rotary arm 1, and then the empty ladle is lifted away.

[0062] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic docking device for a ladle slide cylinder, comprising a rotary table, a slide mechanism, and a cylinder, wherein the rotary table is equipped with a rotary arm that clamps and lifts the ladle from both sides, and a weight sensor is mounted on the rotary arm; a slide rail is provided at the ladle nozzle, and the slide mechanism slides on the slide rail to control the nozzle flow rate; the slide mechanism has a locking channel arranged parallel to the sliding direction of the slide mechanism; characterized in that: It also includes an electric latching mechanism and a PLC controller. The hydraulic cylinder is embedded inside the rotary arm, at the same horizontal level as the latching channel, and parallel to the latching channel, with the cylinder rod facing the latching channel. A linear motor is installed inside the rotary arm to adjust the horizontal position of the hydraulic cylinder. A laser sensor is installed on the hydraulic cylinder, and a centering reflector corresponding to the laser sensor is installed on the sliding plate mechanism. When the laser sensor is aligned with the centering reflector, the cylinder rod can be aligned with the latching channel and can extend into the latching channel. A limit switch is installed in the latching channel to determine the position of the cylinder rod in the latching channel. A latching groove is provided in the latching channel. The electric latching mechanism is located inside the cylinder rod, and the electric latching mechanism cooperates with the latching groove to realize the latching and disengagement of the hydraulic cylinder from the rotary arm. The electric latching mechanism includes a motor controller and a motor. The PLC controller is connected to the control terminals of the weight sensor, limit switch, laser sensor, motor controller, linear motor, and hydraulic system.

2. The automatic docking device for a ladle slide cylinder according to claim 1, characterized in that: The insertion channel is equipped with a limiting block.

3. The automatic docking device for a ladle slide cylinder according to claim 1, characterized in that: The cylinder rod has an annular groove and two vertical grooves. The two vertical grooves are symmetrically arranged above and below the annular groove, and the vertical grooves correspond to the locking slots. The electric locking mechanism also includes a coupling, a rotating shaft, sliding plates, and linkage rods. The motor shaft of the motor is connected to the rotating shaft through the coupling. The rotating shaft rotates within the cylinder rod and is coaxial with the annular groove. Two sliding plates are provided, each placed in one of the two vertical grooves, and slide along the vertical grooves. Two linkage rods are provided, each corresponding to a sliding plate. One end of each linkage rod is hinged to the sliding plate, and the other end is rotatably connected to the annular groove. The linkage rod is connected to the rotating shaft, so that the rotation of the rotating shaft can drive the other end of the linkage rod to rotate around the annular groove.

4. The automatic docking device for a ladle slide cylinder according to claim 3, characterized in that: The line connecting the central axes of the two vertical grooves intersects the central axis of the annular groove.

5. The automatic docking device for a ladle slide cylinder according to claim 3, characterized in that: The linkage rod is provided with a first hinge post, a second hinge post, and a connecting post. The first hinge post is hinged to the sliding plate, and the second hinge post is rotatably connected to the annular groove. The connecting post is connected to the rotating shaft.

6. The automatic docking device for a ladle slide cylinder according to claim 5, characterized in that: The connecting column and the second hinged column are coaxially arranged.

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